Chemistry
JAMB 1987
A stream of air was successively passed through three tubes X, Y and Z containing a concentrated aqueous solution of KOH, red hot copper powder and fused calcium chloride respectively. What was the composition of the gas emanating from tube Z?
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A.
CO2 ad ithe inert gases
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B.
N2, CO2 and the inert gases
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C.
N2 and the inert gases
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D.
water vapour, N2 and the inert gases
Correct Answer: Option C
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